The economic, environmental, and security implications of the Arctic region.

An earthquake strikes Christchurch, New Zealand, causing shoppers to flee during busy Christmas shopping period.

World leaders turned out for former Czech Republic President Vaclav Havel's funeral in Prague Friday. Havel led the peaceful 1989 revolution that brought an end to communist rule in the former Soviet territory.

Syrian authorities say twin suicide car bomb blasts ripped through an upscale Damascus district Friday, targeting security and intelligence buildings and killing at least 30 people.

Clashes erupt in Santiago as Chilean students call for free and quality education. Rough cut.

Mourning in North Korea goes on, days after the death of leader Kim Jong-Il. Meanwhile, neighboring China and South Korea are watching the borders to see what may come next. The death could mean reconciliation or more conflict.

How do growth and slowdown in the Chinese economy impact U.S. markets? Rebecca Jarvis takes a look back at her trip to China. Also, New York Times chief Washington correspondent David Sanger discusses China and the U.S. economy.

Republican hopeful, Mitt Romney attacks Obama on Iraq pullout and says Putin is threat to global peace.

Republican presidential candidate `Mitt Romney spoke with Wyatt Andrews to discuss his strategy of job creation that includes abolishing government regulations that discourage job creation, lowering corporate taxes, and confronting China for cheating in trade relations.

The Pentagon admitted that U.S. forces were partly to blame for a border clash that killed more than two-dozen Pakistani soldiers.

Findings from a new U.S. military investigation show both U.S. and Pakistani forces are to blame for a November air strike which killed 24 Pakistani Army soldiers.

Gordon Chang on the future of North Korea.

Middle East analyst Dr. Walid Phares reacts to claims that the U.S. does not have sufficient information to know where Iran's nuclear program stands.